Canine back pack



FIG. 1 is a perspective view of a canine back pack, showing my new design as worn by a dog;

FIG. 2 is a perspective view thereof, illustrated in a flat configuration;

FIG. 3 is a top plan view of FIG. 2;

FIG. 4 is a bottom plan view of FIG. 2;

FIG. 5 is an enlarged rear elevational view of FIG. 2;

FIG. 6 is an enlarged front elevational view of FIG. 2; and,

FIG. 7 is a left-side elevational view of FIG. 2, the right-side elevational view being a mirror image thereof.

The broken lines in the figures depict environmental matter and form no part of the claimed design. 

CLAIM I claim the ornamental design for a canine back pack, as shown and described. 